Load controlled stabilizer system

a stabilizer and load technology, applied in the direction of cycle equipment, transportation items, instruments, etc., can solve the problems of affecting the balance or and reducing the side stability of the vehicle, so as to improve the forward stability of the industrial vehicl

Active Publication Date: 2009-04-30
HYSTER YALE GRP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Benefits of technology

[0005]A stabilizer system for an industrial vehicle is disclosed as including one or more stabilizer cylinders mounted to the industrial vehicle, wherein the stabilizer cylinders are configured to contact the ground when deployed. The stabilizer system further includes a pressure sensor configured to determine a hydraulic system pressure, and a processor configured to calculate a stabilizing pressure to be applied to the one or more stabilizer cylinders. The stabilizing pressure is based on the hydraulic system pressure in order to improve a forward stability of the industrial vehicle when the one or more stabilizer cylinders are deployed.

Problems solved by technology

These loads may dramatically affect a balance or stability of the industrial vehicle during operation.
However, by removing the weight from the drive wheels, the side stability of the vehicle may be decreased.
Reduced side stability combined with other factors such as windy weather conditions, an off-center load, or uneven terrain can present operational difficulties.

Method used

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Examples

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Embodiment Construction

[0019]FIG. 1 illustrates an example industrial vehicle 10, such as a container handling vehicle, forklift truck, construction vehicle, etc, which may use a novel stabilizer system as disclosed herein. The vehicle 10 may be used to transport loaded or unloaded containers, such as those found at a sea port or train depot. The vehicle 10 is shown as including drive wheels 2 mounted on the front end 4 of the vehicle 10. The drive wheels 2 may further include or belong to a drive wheel assembly including a drive axle. Steer wheels 8 are provided at an end of the vehicle 10 opposite the front end 4, or at the rear of the vehicle. Counterweight 6 may be provided at the rear of the vehicle 10 to provide or improve a forward stability of the vehicle 10.

[0020]The vehicle 10 is further illustrated as including a container handling attachment 12 mounted on an end of a boom 15. The attachment 12 may include a clamp, grapple, hook, scoop, shovel, fork, attachment pin or other types of apparatus c...

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Abstract

A stabilizer system for an industrial vehicle includes one or more stabilizer cylinders mounted to the industrial vehicle, wherein the stabilizer cylinders are configured to contact the ground when deployed. The stabilizer system further includes a pressure sensor configured to determine a hydraulic system pressure, and a processor configured to calculate a stabilizing pressure to be applied to the one or more stabilizer cylinders. The stabilizing pressure is based on the hydraulic system pressure in order to improve a forward stability of the industrial vehicle when the one or more stabilizer cylinders are deployed.

Description

BACKGROUND[0001]Industrial vehicles including construction and material handling trucks are typically required to transport and lift heavy loads. These loads may dramatically affect a balance or stability of the industrial vehicle during operation. To compensate for these effects on vehicle stability, various methods and systems may be employed to allow the vehicle to safely operate under these conditions. For example, dual drive tires may be mounted to the vehicle to improve side stability. Additional counterweight or a longer wheelbase may be provided to improve forward stability.[0002]Some vehicles include stabilizers which can be provided at the front of the vehicle to improve vehicle stability. For example, some heavy duty construction vehicles include two hydraulic cylinders positioned on the frame in front of the drive axle, which extend when the stabilizer function is applied. The hydraulic cylinders are connected to the vehicle frame in order to exert a force on the ground,...

Claims

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Application Information

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Patent Type & Authority Applications(United States)
IPC IPC(8): G06F19/00B60S9/12B62D21/02
CPCB66F9/07559
Inventor TOLLENAAR, EDUARD
Owner HYSTER YALE GRP
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